ESP8266学习笔记5：ESP8266接入yeelink

搞定了SmartConfig，前头也用cURL玩过了yeelink，今天就编写代码，让ESP8266接入yeelink。

转载请注明：http://blog.csdn.net/sadshen/article/details/46897479

一、代码处理。

主要是将http的sample加入到SmartConfig_DEMO中。ESP8266的运行流程是SmartConfig->DNS->Connect yeelink->Get /devices

这里的pheadbuffer 格式要注意加上U-ApiKey。我是通过wireshark捕捉了curl Get /devices的动作才知道要怎么写的。

#include "ets_sys.h"
#include "osapi.h"

#include "user_interface.h"
#include "smartconfig.h"

#include "espconn.h"
#include "mem.h"


#define NET_DOMAIN "api.yeelink.net"
#define pheadbuffer "GET /v1.0/devices HTTP/1.1\r\nHost: %s\r\nAccept: */*\r\nU-ApiKey: e510ad132988d34c6fc9c3a9322f6f10\r\n\r\n"

#define packet_size   (2 * 1024)

LOCAL os_timer_t test_timer;
LOCAL struct espconn user_tcp_conn;
LOCAL struct _esp_tcp user_tcp;
ip_addr_t tcp_server_ip;

/******************************************************************************
 * FunctionName : user_tcp_recv_cb
 * Description  : receive callback.
 * Parameters   : arg -- Additional argument to pass to the callback function
 * Returns      : none
*******************************************************************************/
LOCAL void ICACHE_FLASH_ATTR
user_tcp_recv_cb(void *arg, char *pusrdata, unsigned short length)
{
   //received some data from tcp connection
   
    os_printf("tcp recv !!! %s \r\n", pusrdata);
}

/******************************************************************************
 * FunctionName : user_tcp_sent_cb
 * Description  : data sent callback.
 * Parameters   : arg -- Additional argument to pass to the callback function
 * Returns      : none
*******************************************************************************/
LOCAL void ICACHE_FLASH_ATTR
user_tcp_sent_cb(void *arg)
{
   //data sent successfully

    os_printf("tcp sent succeed !!! \r\n");
}
/******************************************************************************
 * FunctionName : user_tcp_discon_cb
 * Description  : disconnect callback.
 * Parameters   : arg -- Additional argument to pass to the callback function
 * Returns      : none
*******************************************************************************/
LOCAL void ICACHE_FLASH_ATTR
user_tcp_discon_cb(void *arg)
{
   //tcp disconnect successfully
   
    os_printf("tcp disconnect succeed !!! \r\n");
}
/******************************************************************************
 * FunctionName : user_esp_platform_sent
 * Description  : Processing the application data and sending it to the host
 * Parameters   : pespconn -- the espconn used to connetion with the host
 * Returns      : none
*******************************************************************************/
LOCAL void ICACHE_FLASH_ATTR
user_sent_data(struct espconn *pespconn)
{
    char *pbuf = (char *)os_zalloc(packet_size);

    os_sprintf(pbuf, pheadbuffer, NET_DOMAIN);

    espconn_sent(pespconn, pbuf, os_strlen(pbuf));
   
    os_free(pbuf);

}

/******************************************************************************
 * FunctionName : user_tcp_connect_cb
 * Description  : A new incoming tcp connection has been connected.
 * Parameters   : arg -- Additional argument to pass to the callback function
 * Returns      : none
*******************************************************************************/
LOCAL void ICACHE_FLASH_ATTR
user_tcp_connect_cb(void *arg)
{
    struct espconn *pespconn = arg;

    os_printf("connect succeed !!! \r\n");

    espconn_regist_recvcb(pespconn, user_tcp_recv_cb);
    espconn_regist_sentcb(pespconn, user_tcp_sent_cb);
    espconn_regist_disconcb(pespconn, user_tcp_discon_cb);
   
    user_sent_data(pespconn);
}

/******************************************************************************
 * FunctionName : user_tcp_recon_cb
 * Description  : reconnect callback, error occured in TCP connection.
 * Parameters   : arg -- Additional argument to pass to the callback function
 * Returns      : none
*******************************************************************************/
LOCAL void ICACHE_FLASH_ATTR
user_tcp_recon_cb(void *arg, sint8 err)
{
   //error occured , tcp connection broke. user can try to reconnect here. 
   
    os_printf("reconnect callback, error code %d !!! \r\n",err);
}

/******************************************************************************
 * FunctionName : user_dns_found
 * Description  : dns found callback
 * Parameters   : name -- pointer to the name that was looked up.
 *                ipaddr -- pointer to an ip_addr_t containing the IP address of
 *                the hostname, or NULL if the name could not be found (or on any
 *                other error).
 *                callback_arg -- a user-specified callback argument passed to
 *                dns_gethostbyname
 * Returns      : none
*******************************************************************************/
LOCAL void ICACHE_FLASH_ATTR
user_dns_found(const char *name, ip_addr_t *ipaddr, void *arg)
{
    struct espconn *pespconn = (struct espconn *)arg;

    if (ipaddr == NULL) {
        os_printf("user_dns_found NULL \r\n");
        return;
    }

    //dns got ip
    os_printf("user_dns_found %d.%d.%d.%d \r\n",
            *((uint8 *)&ipaddr->addr), *((uint8 *)&ipaddr->addr + 1),
            *((uint8 *)&ipaddr->addr + 2), *((uint8 *)&ipaddr->addr + 3));

    if (tcp_server_ip.addr == 0 && ipaddr->addr != 0) {
        // dns succeed, create tcp connection
        os_timer_disarm(&test_timer);
        tcp_server_ip.addr = ipaddr->addr;
        os_memcpy(pespconn->proto.tcp->remote_ip, &ipaddr->addr, 4); // remote ip of tcp server which get by dns
        pespconn->proto.tcp->remote_port = 80; // remote port of tcp server
        pespconn->proto.tcp->local_port = espconn_port(); //local port of ESP8266

        espconn_regist_connectcb(pespconn, user_tcp_connect_cb); // register connect callback
        espconn_regist_reconcb(pespconn, user_tcp_recon_cb); // register reconnect callback as error handler

        espconn_connect(pespconn); // tcp connect
    }
}

/******************************************************************************
 * FunctionName : user_esp_platform_dns_check_cb
 * Description  : 1s time callback to check dns found
 * Parameters   : arg -- Additional argument to pass to the callback function
 * Returns      : none
*******************************************************************************/
LOCAL void ICACHE_FLASH_ATTR
user_dns_check_cb(void *arg)
{
    struct espconn *pespconn = arg;

    espconn_gethostbyname(pespconn, NET_DOMAIN, &tcp_server_ip, user_dns_found); // recall DNS function

    os_printf("dns_check\n");
    os_timer_arm(&test_timer, 1000, 0);
}

/******************************************************************************
 * FunctionName : CheckIpStart
 * Description  : set the router info which ESP8266 station will connect to 
 * Parameters   : none
 * Returns      : none
*******************************************************************************/
void ICACHE_FLASH_ATTR
CheckIpStart(void)
{
    // Connect to tcp server as NET_DOMAIN
    user_tcp_conn.proto.tcp = &user_tcp;
    user_tcp_conn.type = ESPCONN_TCP;
    user_tcp_conn.state = ESPCONN_NONE;
    tcp_server_ip.addr = 0;
    espconn_gethostbyname(&user_tcp_conn, NET_DOMAIN, &tcp_server_ip, user_dns_found); // DNS function

    os_timer_disarm(&test_timer);
    os_timer_setfn(&test_timer, (os_timer_func_t *)user_dns_check_cb, user_tcp_conn);
    os_timer_arm(&test_timer, 1000, 0);
}

void ICACHE_FLASH_ATTR
smartconfig_done(sc_status status, void *pdata)
{
    switch(status) {
        case SC_STATUS_WAIT:
            os_printf("SC_STATUS_WAIT\n");
            break;
        case SC_STATUS_FIND_CHANNEL:
            os_printf("SC_STATUS_FIND_CHANNEL\n");
            break;
        case SC_STATUS_GETTING_SSID_PSWD:
            os_printf("SC_STATUS_GETTING_SSID_PSWD\n");
			sc_type *type = pdata;
            if (*type == SC_TYPE_ESPTOUCH) {
                os_printf("SC_TYPE:SC_TYPE_ESPTOUCH\n");
            } else {
                os_printf("SC_TYPE:SC_TYPE_AIRKISS\n");
            }
            break;
        case SC_STATUS_LINK:
            os_printf("SC_STATUS_LINK\n");
            struct station_config *sta_conf = pdata;
	
	        wifi_station_set_config(sta_conf);
	        wifi_station_disconnect();
	        wifi_station_connect();
            break;
        case SC_STATUS_LINK_OVER:
            os_printf("SC_STATUS_LINK_OVER\n");
            if (pdata != NULL) {
                uint8 phone_ip[4] = {0};

                os_memcpy(phone_ip, (uint8*)pdata, 4);
                os_printf("Phone ip: %d.%d.%d.%d\n",phone_ip[0],phone_ip[1],phone_ip[2],phone_ip[3]);
                CheckIpStart();
            }
            smartconfig_stop();
            break;
    }
	
}

void user_rf_pre_init(void)
{
}

void user_init(void)
{
    os_printf("SDK version:%s\n", system_get_sdk_version());
	
    wifi_set_opmode(STATION_MODE);
    smartconfig_start(smartconfig_done);
}

二、测试